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SC87C51SBAA View Datasheet(PDF) - Philips Electronics

Part NameDescriptionManufacturer
SC87C51SBAA 80C51 8-bit microcontroller family 4K/128 OTP/ROM/ROMless low voltage (2.7V–5.5V), low power, high speed (33 MHz) Philips
Philips Electronics Philips
SC87C51SBAA Datasheet PDF : 38 Pages
1 2 3 4 5 6 7 8 9 10 Next Last
Philips Semiconductors
80C51 8-bit microcontroller family
4K/128 OTP/ROM/ROMless, low voltage (2.7V–5.5V),
low power, high speed (33 MHz)
Product specification
80C51/87C51/80C31
BLOCK DIAGRAM
VCC
VSS
RAM ADDR
REGISTER
RAM
P0.0–P0.7
PORT 0
DRIVERS
PORT 0
LATCH
P2.0–P2.7
PORT 2
DRIVERS
PORT 2
LATCH
ROM/EPROM
B
REGISTER
ACC
TMP2
TMP1
STACK
POINTER
8
PROGRAM
ADDRESS
REGISTER
ALU
PSW
PSEN
ALE/PROG
EAVPP
RST
TIMING
AND
CONTROL
PD
OSCILLATOR
XTAL1
XTAL2
PORT 1
LATCH
PORT 1
DRIVERS
P1.0–P1.7
SFRs
TIMERS
BUFFER
PC
INCRE-
MENTER
8
16
PROGRAM
COUNTER
PORT 3
LATCH
DPTR’S
MULTIPLE
PORT 3
DRIVERS
P3.0–P3.7
SU00845
2000 Jan 20
4
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